Psychometric Evaluation of Anxiety, Depression, and Sleep Quality after a Mild Traumatic Brain Injury: A Longitudinal Study

Figure 2

Average group scores across the four symptom categories. (a) Mean BAI (Beck’s anxiety inventory) scores of two groups ( (+) versus (∆)) across four assessments at baseline, 6th week, 1st year, and 2nd year. (b) Mean BDI (Beck’s depression inventory) scores of two groups ( (+) versus (∆)) across four assessments. (c) Mean ESS (Epworth sleepiness scale) scores of two groups ( (+) versus (∆)) across four assessments. (d) Mean PSQI (Pittsburgh sleep quality index) scores of two groups ( (+) versus (∆)) across four assessments.

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